small striped mammal
Gut Microbes Help Ground Squirrels Endure Hibernation
By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.
ABOVE: ROBERT STREIFFER
Gut Microbes Help Ground Squirrels Endure Hibernation
Gut Microbes Help Ground Squirrels Endure Hibernation

By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.

By breaking down urea, the animals’ gut bacteria recycle nitrogen, which can be then used to build new molecules during prolonged fasting.

ABOVE: ROBERT STREIFFER

muscle

MUSCLE CONTROL: Researchers pinpoint how C. elegans (pictured) manages to expel food from its mouth.
The Science Behind How Roundworms Spit
Diana Kwon | Dec 1, 2021
By viewing countless hours of expectorating worms, researchers discover a unique way in which neurons control the movement of muscles.
Illustration of a rat with red, white and blue sections
Hormones May Contribute to Asymmetrical Effects of Brain Injury
Catherine Offord | Sep 2, 2021
Researchers studying rats claim to have found a novel connection between damage on one side of the brain and problems with the posture or movement of limbs on the opposite side of the body.
Discovering the Secrets of Motor Neurons with Single Cell Sequencing
LabTalk Podcast - Discovering the Secrets of Motor Neurons with Single Cell Sequencing
The Scientist Creative Services Team, 10x Genomics | May 5, 2021
Researchers identify new motor neuron subgroups and gain insights into amyotrophic lateral sclerosis (ALS).
Image of the Day: Muting Muscle Spasms
Amy Schleunes | Apr 16, 2020
Nimodipine, a drug used to treat brain hemorrhages, alleviates spasticity in mice after spinal cord injuries.
New Discoveries in Human Anatomy
Diana Kwon | Feb 18, 2020
Using advanced microscopy and imaging techniques, scientists have revealed new parts of the human body and overturned previous misconceptions.
The MSC: Regeneration Orchestrator
The Scientist Staff | Nov 16, 2020
Scientists uncover the promise of mesenchymal stem cells (MSCs), also known as medicinal signaling cells, to modulate the immune system and regenerate tissue.
Infographic: The Modern Human Body
Diana Kwon | Feb 18, 2020
The last few years have yielded new insights into human anatomy. Explore this interactive graphic to learn about some of these discoveries.  
Why Do We Forget How to Walk on Ice?
Scott Grafton | Jan 13, 2020
A new book explores the crosstalk between mind and body and how it helps humans navigate their worlds.
Image of the Day: Moth Movement
Emily Makowski | Jan 2, 2020
Neuronal signal timing is crucial for muscle coordination during flight.
FDA Approves Previously Rejected Muscular Dystrophy Treatment
Emily Makowski | Dec 13, 2019
The drug Vyondys 53 has met a surrogate endpoint of protein production, but there’s no clear proof it has a clinical benefit.
The Cerebellum’s Secrets: A Profile of Kamran Khodakhah
Anna Azvolinsky | Oct 1, 2019
The Albert Einstein College of Medicine neuroscientist has revealed surprising functions of the brain region, such as its role in the brain’s rewards circuits and in addiction.
Light-Activated Nanodevices Control Cells
Ruth Williams | Sep 1, 2019
DNA-coated gold nanorods enable cells to be activated by light without genetic manipulation.
Infographic: Optogenetics Without Genetic Engineering
Ruth Williams | Sep 1, 2019
DNA-loaded nanoparticles that respond to infrared light provide an alternative way to control cell behavior.
FDA Approves Gene Therapy for Spinal Muscular Atrophy
Ashley Yeager | May 27, 2019
At $2 million for a single dose, Novartis’s Zolgensma is the most expensive medicine to date, but still less expensive over a lifetime than another approved drug for the rare genetic disease.
Image of the Day: Dystrophin Restored
Carolyn Wilke | Mar 21, 2019
CRISPRed heart muscle cells from humans gain the ability to make a protein missing in Duchenne muscular dystrophy.
Image of the Day: Organ Crosstalk
Carolyn Wilke | Mar 19, 2019
Zooming in on the ovarioles of Drosophila could reveal links between muscles, nutrition, and the development of eggs.
The Scientist’s Most Stunning Infographics of 2018
Jef Akst | Dec 21, 2018
From cellular self-digestion to the effects of exercise on the brain, our features editor picks her favorite art custom-made for the magazine.
Researchers Identify Irisin’s Receptor in Bone and Fat
Carolyn Wilke | Dec 13, 2018
They hope to develop the “exercise hormone” into therapeutics that harness the benefits of exercise for people unable to do so.
Image of the Day: Interloper Cells
Ashley Yeager | Nov 16, 2018
In kidney organoids, brain and muscle cells also develop.